Organization

Company History

1970

May

Union Showa K.K. was founded as a joint venture between Showa Denko K.K. and Union Carbide. Union Showa K.K. built a new plant in Yokkaichi in Mie prefecture and began the production of Molecular Sieve using the technology introduced from Union Carbide.

1988

August

Union Carbide handed over its Molecular Sieve business to UOP LLC, and UOP LLC became one of the parent companies.

2014

December

Union Showa K.K. acquired the license of High Silica Zeolite from UOP LLC and completed the construction of a new plant in Aizu in Fukushima prefecture and began the operation.